National Instruments PCI-1200 - Manual (Page 86)

Glossary
PCI-1200 User Manual G-2 © National Instruments Corporation
A
A amperes
AC alternating current
ACH <0..7> analog channel 0 through 7 signals
ACK* acknowledge input signal
A/D analog-to-digital
ADC analog-to-digital converter—an electronic device, often an integrated
circuit, that converts an analog voltage to a digital number
AGND analog ground signal
AI analog input
AISENSE/AIGND analog input sense/analog input ground signal
ANSI American National Standards Institute
AO analog output
AWG American Wire Gauge
C
C Celsius
CALDAC calibration digital-to-analog converter
CH channel
CLKB1, CLKB2 counter B1, B2 clock signals
cm centimeters
CMRR common-mode rejection ratio—a measure of an instrument’s ability to
reject interference from a common-mode signal, usually expressed in
decibels (dB)
CNTINT counter interrupt signal